<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
<h1>登录系统</h1>
<form method="post" action="handle_login.do">
    <div>
        <label>用户</label>
        <input type="text" name="username">
    </div>
    <div>
        <label>密码</label>
        <input type="password" name="password">
    </div>
    <input type="submit" value="登录">
</form>
</body>
</html>